Ruediger Follmann was born in 1968 in Germany. He studied electrical engineering at RWTH Aachen, Germany, and received his PhD from the University of Duisburg-Essen, Germany. He has worked for IMST GmbH, Germany, for more than 20 years, where he heads the RF circuits and system integration department. IMST is a design and development company with more than 170 employees. He uses embedded boards in many different projects, for example, in order to control MMICs or hybrid electronics. Follmann is the author of many technical articles as well as Das Raspberry Pi Kompendium, Springer.

Tony Zhang was born in 1990 in China. He studied control science and engineering at HIT, China, and received his master's degree in 2015. Since 2014, Tony has been working with LeMaker community, where he is the cofounder and is heading the R&D department.